TABLE 4.
Mann-Whitney U-test of immediate post-test in the EG and the CG.
| N | Mean | SD | df | Z | P | Effect size r | |
| EG | 28 | 7.14 | 1.24 | 58 | 0.033 | 0.974 | 0.004 |
| CG | 32 | 7.25 | 0.95 |
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